Search a number
-
+
391002102212 = 22214356398089
BaseRepresentation
bin1011011000010011000…
…10101001100111000100
31101101020121102210200012
411230021202221213010
522401233014232322
6455342432005352
740151253013601
oct5541142514704
91341217383605
10391002102212
11140906547637
1263941990858
132ab43445b77
1414cd31776a8
15a2869d4ae2
hex5b098a99c4

391002102212 has 24 divisors (see below), whose sum is σ = 684779020800. Its totient is φ = 195351016896.

The previous prime is 391002102193. The next prime is 391002102287. The reversal of 391002102212 is 212201200193.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48333464 + ... + 48341552.

It is an arithmetic number, because the mean of its divisors is an integer number (28532459200).

Almost surely, 2391002102212 is an apocalyptic number.

It is an amenable number.

391002102212 is a deficient number, since it is larger than the sum of its proper divisors (293776918588).

391002102212 is a wasteful number, since it uses less digits than its factorization.

391002102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875 (or 15873 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 391002102212 in words is "three hundred ninety-one billion, two million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 2143 4286 5639 8089 8572 11278 16178 22556 32356 12084377 17334727 24168754 34669454 45613871 48337508 69338908 91227742 182455484 97750525553 195501051106 391002102212